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Note 10 - Stockholders' Equity
 6 Months Ended
Mar. 31, 2014
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]

10. STOCKHOLDERS’ EQUITY


Summary


The following table summarizes changes in the components of stockholders’ equity during the six months ended March 31, 2014:


                   

Additional

           

Total

 
   

Common Stock

   

Paid-in

   

Accumulated

   

Stockholders'

 
   

Shares

   

Amount

   

Capital

   

Deficit

   

Equity

 

Balances, September 30, 2013

    32,900,705     $ 329     $ 87,434,834     $ (62,673,754 )   $ 24,761,409  

Issuance of common stock upon exercise of stock options, net

    357,476       4       193,060               193,064  

Share-based compensation expense

                    341,422               341,422  

Repurchase of common stock

    (133,073 )     (2 )     (248,955 )             (248,957 )

Net income

                            657,489       657,489  

Balances, March 31, 2014

    33,125,108     $ 331     $ 87,720,361     $ (62,016,265 )   $ 25,704,427  

Stock Purchase Warrants


At March 31, 2014, the Company had 1,627,945 shares purchasable under outstanding warrants at an exercise price of $2.67 which are exercisable through February 4, 2016.


Share Buyback Program


In July 2013, the Board of Directors approved a share buyback program under which the Company may repurchase up to $3 million of its outstanding common shares. In November 2013, the Board of Directors authorized the repurchase of an additional $1 million of the Company’s outstanding common shares. The repurchase authorization expires December 31, 2014. During the six months ended March 31, 2014, the Company purchased 133,073 shares at an average price paid per share of $1.87 for a total cost of $248,957. At March 31, 2014, all repurchased shares were retired.